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Finding the Fourth Proportional to 227,049.83, 313,338.49 and 126,447.83

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Solution

The fourth proportional to 227,049.83, 313,338.49 and 126,447.83 is: 174,503.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,049.83 : 313,338.49 = 126,447.83 : x
  2. Step 2: Convert to fraction form
    227,049.83/313,338.49 = 126,447.83/x
  3. Step 3: Cross multiply
    227,049.83x = 313,338.49 × 126,447.83
  4. Step 4: Simplify right side
    227,049.83x = 39,620,971,483.74
  5. Step 5: Solve for x
    x = 39,620,971,483.74/227,049.83
  6. Step 6: Final answer
    x = 174,503.42

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.